71254900

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{3617}}^1$

素因数の和:3828

約数の個数: 36

約数和(自身を含む): 155450988

約数和(自身を除く): 84196088

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1970, 3617, 3940, 4925, 7234, 9850, 14468, 18085, 19700, 36170, 72340, 90425, 180850, 361700, 712549, 1425098, 2850196, 3562745, 7125490, 14250980, 17813725, 35627450, 71254900]

約数ペア:

[(1, 71254900), (2, 35627450), (4, 17813725), (5, 14250980), (10, 7125490), (20, 3562745), (25, 2850196), (50, 1425098), (100, 712549), (197, 361700), (394, 180850), (788, 90425), (985, 72340), (1970, 36170), (3617, 19700), (3940, 18085), (4925, 14468), (7234, 9850)]